Briefly summarize the facts, issues, & the decision of the Supreme Court in the following cases.

a. Tecson et al vs. Commission on Elections G.R Nos. 161434, 161634 & 161824 March 3, 2004

b. Poe vs. COMELEC G.R No. 221697 March 8, 2016

Analyze the ruling of the court and correlate the same in the context of Article VII of 1987.